Campbell, J. E. On the generation of the ground form of the statical gravitation field in Einstein’s theory of gravitation from the ground form of any surface in ordinary space. (English) JFM 49.0550.01 Lond. M. S. Proc. (2) 22, 92-103 (1923). Reviewer: Berwald, Prof. (Prag) PDFBibTeX XMLCite \textit{J. E. Campbell}, Proc. Lond. Math. Soc. (2) 22, 92--103 (1923; JFM 49.0550.01) Full Text: DOI
Conran, M. J. Curvature and torsion in elliptic space. (English) JFM 48.0844.02 Lond. M. S. Proc. (2) 21, 191-213 (1922). Reviewer: Blaschke, Prof. (Hamburg) PDFBibTeX XMLCite \textit{M. J. Conran}, Proc. Lond. Math. Soc. (2) 21, 191--213 (1922; JFM 48.0844.02) Full Text: DOI